IKO Trade Underlay Medium is a sanded roofing felt, for use as an underlay to a multi layer system or as a single layer for shed/hutch roofs.Features and Benefits Traditional product Roll Coverage: 20m2 Economy roofing materials Nail fixing, cold adhesive or pour and roll bitumen application Sector of Application: Flat Product Type: Bituminous Membrane Type: Underlay Colour: Sand Product Finish: Sand Installation Method: Adhesion, Nails Project Type: Commercial Small, Domestic Large, Domestic Medium, Domestic Small